Upper portion of sock



FIG. 1 is a side perspective view of an upper portion of sock showing our new design;

FIG. 2 is an elevational view of the right side thereof;

FIG. 3 is an elevational view of the left side thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a side perspective view of an upper portion of sock in a different position of use;

FIG. 9 is an elevational view of the left side thereof;

FIG. 10 is an elevational view of the right side thereof;

FIG. 11 is a front elevational view thereof;

FIG. 12 is a rear elevational view thereof;

FIG. 13 is a top plan view thereof; and,

FIG. 14 is a bottom plan view thereof.

The dash-dash-dash-dash type broken lines shown in the drawings are included for the purpose of illustrating environmental structure and form no part of the claimed design.

The dot-dash-dot-dash type broken lines shown in the drawings define the boundaries of the claimed design. 

CLAIM We claim the ornamental design for an upper portion of sock, substantially as shown and described. 